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ISO LEAN
Lab tested every batchDesi flavours available

ISO LEAN

25g protein and 5g BCAA per scoop in an advanced fat-loss whey, built to help you get lean and recover fast.

4.7 rated by verified customers
Rs. 3,419 Rs. 3,799 10% OFF
Inclusive of all taxes
Flavour: Chocolate Supreme
Size: 2 lbs
Lab tested, every batch
7-day returns, unopened
Dispatched in 24–48 hrs
Secure UPI, cards, COD
20k+ Happy Customers
Rated 4.7 Stars Based on verified customer reviews
Safe & Secure Payments

In every scoop

25g ProteinPer 33g scoop, advanced fat-loss whey
5g BCAARecover and add lean muscle fast
600mg L-CarnitineFat-loss matrix per serving
1000mg Garcinia CambogiaWith 200mg Green Tea and 100mg CLA
25g ProteinPer 33g scoop, advanced fat-loss whey
5g BCAARecover and add lean muscle fast
600mg L-CarnitineFat-loss matrix per serving
1000mg Garcinia CambogiaWith 200mg Green Tea and 100mg CLA
25g ProteinPer 33g scoop, advanced fat-loss whey
5g BCAARecover and add lean muscle fast
600mg L-CarnitineFat-loss matrix per serving
1000mg Garcinia CambogiaWith 200mg Green Tea and 100mg CLA
25g ProteinPer 33g scoop, advanced fat-loss whey
5g BCAARecover and add lean muscle fast
600mg L-CarnitineFat-loss matrix per serving
1000mg Garcinia CambogiaWith 200mg Green Tea and 100mg CLA
25g ProteinPer 33g scoop, advanced fat-loss whey
5g BCAARecover and add lean muscle fast
600mg L-CarnitineFat-loss matrix per serving
1000mg Garcinia CambogiaWith 200mg Green Tea and 100mg CLA
25g ProteinPer 33g scoop, advanced fat-loss whey
5g BCAARecover and add lean muscle fast
600mg L-CarnitineFat-loss matrix per serving
1000mg Garcinia CambogiaWith 200mg Green Tea and 100mg CLA

Core Formula & Muscle Building

  • Features a functional, ultrafiltered whey protein blend processed at ultra-low temperatures to retain a full spectrum of undenatured, bioactive whey proteins including immunoglobulin and lactoferrin.
  • Delivers a potent 25 grams of high-quality protein and 5 grams of BCAAs per serving to provide the essential amino acids needed to recover and add lean muscle fast.
  • Scientifically formulated to optimize protein synthesis, maintain nitrogen balance, and prevent muscle catabolism for maximum recovery and lean muscle gains.

Advanced Fat Loss & Metabolism

  • Specifically engineered as an advanced fat loss whey designed to help individuals lose weight fast and naturally.
  • Differentiates itself from basic whey by integrating powerful fat-burning ingredients to give an extra edge to your metabolism and energy levels.
  • Enhanced with a robust fat loss matrix containing 600mg of L-Carnitine, 1000mg of Garcinia Cambogia, 200mg of Green Tea Extract, and 100mg of CLA per serving.

Quality & Assurance

  • Utilizes the latest in protein technology to provide comprehensive anti-catabolic support.
  • Manufactured under rigorous Certified GMP and ISO 22000 quality control standards.
  • Guaranteed doping-free, ensuring the formulation is completely safe and compliant for professional, drug-tested athletes.
ISO LEAN Chocolate Supreme / 2 lbs nutritional information

Serving size: 1 Scoop (Approx 33g)

Servings per container: Approx. 28

Ingredients: Ultra filtered whey protein concentrate, whey protein isolate, whey protein hydrolysate, multi fiber and probiotic blend (inulin), Xanthan gum (INS415), Lactobacillus acidophilus, green tea extract (50% EGCG complex), Garcinia cambogia (INS), L-carnitine, CLA powder flavour, cocoa powder (in chocolate variant), protease, lactase, sucralose (INS955). Nutrient Per 33g Energy: Protein: 117.43 Kcal 25.00g Glycaemic Carbohydrates: Total Fat: Dietary Fiber 3.30 g 9.42 g 0.47g <1.00g 335.51 Kcal NA 40 NA NA NA 71.42g 1.34g <3.03g Per 100g %NRV Per serving This product is not recommended for children. No sugar added in the product. Contents packed by weight, some settling may occur

Allergens: Dairy (Milk)

Directions: Mix 1 scoop (33 g) with 200 to 300 ml of cold water, fruit juice or your favorite beverage. Stir until dissolved. Serving size and number of daily servings can be adjusted to meet individual protein requirements.

Core Formula & Muscle Building

  • Features a functional, ultrafiltered whey protein blend processed at ultra-low temperatures to retain a full spectrum of undenatured, bioactive whey proteins including immunoglobulin and lactoferrin.
  • Delivers a potent 25 grams of high-quality protein and 5 grams of BCAAs per serving to provide the essential amino acids needed to recover and add lean muscle fast.
  • Scientifically formulated to optimize protein synthesis, maintain nitrogen balance, and prevent muscle catabolism for maximum recovery and lean muscle gains.

Advanced Fat Loss & Metabolism

  • Specifically engineered as an advanced fat loss whey designed to help individuals lose weight fast and naturally.
  • Differentiates itself from basic whey by integrating powerful fat-burning ingredients to give an extra edge to your metabolism and energy levels.
  • Enhanced with a robust fat loss matrix containing 600mg of L-Carnitine, 1000mg of Garcinia Cambogia, 200mg of Green Tea Extract, and 100mg of CLA per serving.

Quality & Assurance

  • Utilizes the latest in protein technology to provide comprehensive anti-catabolic support.
  • Manufactured under rigorous Certified GMP and ISO 22000 quality control standards.
  • Guaranteed doping-free, ensuring the formulation is completely safe and compliant for professional, drug-tested athletes.
ISO LEAN Chocolate Supreme / 4.4 lbs nutritional information

Serving size: 1 Scoop (Approx 33g)

Servings per container: Approx. 61

Ingredients: Ultra filtered whey protein concentrate, whey protein isolate, whey protein hydrolysate, multi fiber and probiotic blend (inulin), Xanthan gum (INS415), Lactobacillus acidophilus, green tea extract (50% EGCG complex), Garcinia cambogia (INS), L-carnitine, CLA powder flavour, cocoa powder (in chocolate variant), protease, lactase, sucralose (INS955). Nutrient Per 33g Energy: Protein: 117.43 Kcal 25.00g Glycaemic Carbohydrates: Total Fat: Dietary Fiber 3.30 g 9.42 g 0.47g <1.00g 335.51 Kcal NA 40 NA NA NA 71.42g 1.34g <3.03g Per 100g %NRV Per serving This product is not recommended for children. No sugar added in the product. Contents packed by weight, some settling may occur

Allergens: Dairy (Milk)

Directions: Mix 1 scoop (33 g) with 200 to 300 ml of cold water, fruit juice or your favorite beverage. Stir until dissolved. Serving size and number of daily servings can be adjusted to meet individual protein requirements.

Core Formula & Muscle Building

  • Features a functional, ultrafiltered whey protein blend processed at ultra-low temperatures to retain a full spectrum of undenatured, bioactive whey proteins including immunoglobulin and lactoferrin.
  • Delivers a potent 25 grams of high-quality protein and 5 grams of BCAAs per serving to provide the essential amino acids needed to recover and add lean muscle fast.
  • Scientifically formulated to optimize protein synthesis, maintain nitrogen balance, and prevent muscle catabolism for maximum recovery and lean muscle gains.

Advanced Fat Loss & Metabolism

  • Specifically engineered as an advanced fat loss whey designed to help individuals lose weight fast and naturally.
  • Differentiates itself from basic whey by integrating powerful fat-burning ingredients to give an extra edge to your metabolism and energy levels.
  • Enhanced with a robust fat loss matrix containing 600mg of L-Carnitine, 1000mg of Garcinia Cambogia, 200mg of Green Tea Extract, and 100mg of CLA per serving.

Quality & Assurance

  • Utilizes the latest in protein technology to provide comprehensive anti-catabolic support.
  • Manufactured under rigorous Certified GMP and ISO 22000 quality control standards.
  • Guaranteed doping-free, ensuring the formulation is completely safe and compliant for professional, drug-tested athletes.
ISO LEAN Kesar Kulfi / 2 lbs nutritional information

Serving size: 1 Scoop (Approx 33g)

Servings per container: Approx. 28

Ingredients: Ultra filtered whey protein concentrate, whey protein isolate, whey protein hydrolysate, multi fiber and probiotic blend (inulin), Xanthan gum (INS415), Lactobacillus acidophilus, green tea extract (50% EGCG complex), Garcinia cambogia (INS), L-carnitine, CLA powder flavour, cocoa powder (in chocolate variant), protease, lactase, sucralose (INS955). Nutrient Per 33g Energy: Protein: 117.43 Kcal 25.00g Glycaemic Carbohydrates: Total Fat: Dietary Fiber 3.30 g 9.42 g 0.47g <1.00g 335.51 Kcal NA 40 NA NA NA 71.42g 1.34g <3.03g Per 100g %NRV Per serving This product is not recommended for children. No sugar added in the product. Contents packed by weight, some settling may occur

Allergens: Dairy (Milk)

Directions: Mix 1 scoop (33 g) with 200 to 300 ml of cold water, fruit juice or your favorite beverage. Stir until dissolved. Serving size and number of daily servings can be adjusted to meet individual protein requirements.

Core Formula & Muscle Building

  • Features a functional, ultrafiltered whey protein blend processed at ultra-low temperatures to retain a full spectrum of undenatured, bioactive whey proteins including immunoglobulin and lactoferrin.
  • Delivers a potent 25 grams of high-quality protein and 5 grams of BCAAs per serving to provide the essential amino acids needed to recover and add lean muscle fast.
  • Scientifically formulated to optimize protein synthesis, maintain nitrogen balance, and prevent muscle catabolism for maximum recovery and lean muscle gains.

Advanced Fat Loss & Metabolism

  • Specifically engineered as an advanced fat loss whey designed to help individuals lose weight fast and naturally.
  • Differentiates itself from basic whey by integrating powerful fat-burning ingredients to give an extra edge to your metabolism and energy levels.
  • Enhanced with a robust fat loss matrix containing 600mg of L-Carnitine, 1000mg of Garcinia Cambogia, 200mg of Green Tea Extract, and 100mg of CLA per serving.

Quality & Assurance

  • Utilizes the latest in protein technology to provide comprehensive anti-catabolic support.
  • Manufactured under rigorous Certified GMP and ISO 22000 quality control standards.
  • Guaranteed doping-free, ensuring the formulation is completely safe and compliant for professional, drug-tested athletes.

Serving size: 1 Scoop (Approx 33g)

Servings per container: Approx. 61

Ingredients: Ultra filtered whey protein concentrate, whey protein isolate, whey protein hydrolysate, multi fiber and probiotic blend (inulin), Xanthan gum (INS415), Lactobacillus acidophilus, green tea extract (50% EGCG complex), Garcinia cambogia (INS), L-carnitine, CLA powder flavour, cocoa powder (in chocolate variant), protease, lactase, sucralose (INS955). Nutrient Per 33g Energy: Protein: 117.43 Kcal 25.00g Glycaemic Carbohydrates: Total Fat: Dietary Fiber 3.30 g 9.42 g 0.47g <1.00g 335.51 Kcal NA 40 NA NA NA 71.42g 1.34g <3.03g Per 100g %NRV Per serving This product is not recommended for children. No sugar added in the product. Contents packed by weight, some settling may occur

Allergens: Dairy (Milk)

Directions: Mix 1 scoop (33 g) with 200 to 300 ml of cold water, fruit juice or your favorite beverage. Stir until dissolved. Serving size and number of daily servings can be adjusted to meet individual protein requirements.

Core Formula & Muscle Building

  • Features a functional, ultrafiltered whey protein blend processed at ultra-low temperatures to retain a full spectrum of undenatured, bioactive whey proteins including immunoglobulin and lactoferrin.
  • Delivers a potent 25 grams of high-quality protein and 5 grams of BCAAs per serving to provide the essential amino acids needed to recover and add lean muscle fast.
  • Scientifically formulated to optimize protein synthesis, maintain nitrogen balance, and prevent muscle catabolism for maximum recovery and lean muscle gains.

Advanced Fat Loss & Metabolism

  • Specifically engineered as an advanced fat loss whey designed to help individuals lose weight fast and naturally.
  • Differentiates itself from basic whey by integrating powerful fat-burning ingredients to give an extra edge to your metabolism and energy levels.
  • Enhanced with a robust fat loss matrix containing 600mg of L-Carnitine, 1000mg of Garcinia Cambogia, 200mg of Green Tea Extract, and 100mg of CLA per serving.

Quality & Assurance

  • Utilizes the latest in protein technology to provide comprehensive anti-catabolic support.
  • Manufactured under rigorous Certified GMP and ISO 22000 quality control standards.
  • Guaranteed doping-free, ensuring the formulation is completely safe and compliant for professional, drug-tested athletes.

Serving size: 1 Scoop (Approx 33g)

Servings per container: Approx. 28

Ingredients: Ultra filtered whey protein concentrate, whey protein isolate, whey protein hydrolysate, multi fiber and probiotic blend (inulin), Xanthan gum (INS415), Lactobacillus acidophilus, green tea extract (50% EGCG complex), Garcinia cambogia (INS), L-carnitine, CLA powder flavour, cocoa powder (in chocolate variant), protease, lactase, sucralose (INS955). Nutrient Per 33g Energy: Protein: 117.43 Kcal 25.00g Glycaemic Carbohydrates: Total Fat: Dietary Fiber 3.30 g 9.42 g 0.47g <1.00g 335.51 Kcal NA 40 NA NA NA 71.42g 1.34g <3.03g Per 100g %NRV Per serving This product is not recommended for children. No sugar added in the product. Contents packed by weight, some settling may occur

Allergens: Dairy (Milk)

Directions: Mix 1 scoop (33 g) with 200 to 300 ml of cold water, fruit juice or your favorite beverage. Stir until dissolved. Serving size and number of daily servings can be adjusted to meet individual protein requirements.

Core Formula & Muscle Building

  • Features a functional, ultrafiltered whey protein blend processed at ultra-low temperatures to retain a full spectrum of undenatured, bioactive whey proteins including immunoglobulin and lactoferrin.
  • Delivers a potent 25 grams of high-quality protein and 5 grams of BCAAs per serving to provide the essential amino acids needed to recover and add lean muscle fast.
  • Scientifically formulated to optimize protein synthesis, maintain nitrogen balance, and prevent muscle catabolism for maximum recovery and lean muscle gains.

Advanced Fat Loss & Metabolism

  • Specifically engineered as an advanced fat loss whey designed to help individuals lose weight fast and naturally.
  • Differentiates itself from basic whey by integrating powerful fat-burning ingredients to give an extra edge to your metabolism and energy levels.
  • Enhanced with a robust fat loss matrix containing 600mg of L-Carnitine, 1000mg of Garcinia Cambogia, 200mg of Green Tea Extract, and 100mg of CLA per serving.

Quality & Assurance

  • Utilizes the latest in protein technology to provide comprehensive anti-catabolic support.
  • Manufactured under rigorous Certified GMP and ISO 22000 quality control standards.
  • Guaranteed doping-free, ensuring the formulation is completely safe and compliant for professional, drug-tested athletes.

Serving size: 1 Scoop (Approx 33g)

Servings per container: Approx. 61

Ingredients: Ultra filtered whey protein concentrate, whey protein isolate, whey protein hydrolysate, multi fiber and probiotic blend (inulin), Xanthan gum (INS415), Lactobacillus acidophilus, green tea extract (50% EGCG complex), Garcinia cambogia (INS), L-carnitine, CLA powder flavour, cocoa powder (in chocolate variant), protease, lactase, sucralose (INS955). Nutrient Per 33g Energy: Protein: 117.43 Kcal 25.00g Glycaemic Carbohydrates: Total Fat: Dietary Fiber 3.30 g 9.42 g 0.47g <1.00g 335.51 Kcal NA 40 NA NA NA 71.42g 1.34g <3.03g Per 100g %NRV Per serving This product is not recommended for children. No sugar added in the product. Contents packed by weight, some settling may occur

Allergens: Dairy (Milk)

Directions: Mix 1 scoop (33 g) with 200 to 300 ml of cold water, fruit juice or your favorite beverage. Stir until dissolved. Serving size and number of daily servings can be adjusted to meet individual protein requirements.

PAN INDIA SHIPPING Dispatched within 24 hours
EASY 7-DAY RETURNS On unopened products
LAB TESTED Every batch, third-party verified
100% SECURE CHECKOUT UPI, cards, netbanking

Which GSN protein is right for you?

Protein Protein per scoop Best for Price (2 lbs)
HardcoreWhey 26g Recovery and strength, with creatine and BCAA Rs. 3,869 View
100%PremiumWhey 25g Everyday clean protein, zero added sugar Rs. 3,869 View
ISOCore90 27g Fast-absorbing isolate, 0g sugar, keto-friendly Rs. 4,499 View
ISOLean (this one) 25g Getting lean, advanced fat-loss whey Rs. 3,419 Selected
ProLean 24g Lean muscle while burning fat Rs. 3,599 View
UltraWheyPlus 24g Performance athletes, with 1000mg creatine Rs. 3,059 View

Questions, answered

How do I know my GSN tub is authentic?

Buy from gsn-india.com or an authorised GSN seller. Every genuine tub carries a TRUESEAL authentication sticker. If a product cannot be authenticated with its TRUESEAL sticker, you can return it to us.

Which GSN protein should I choose?

For recovery and strength, pick Hardcore Whey. For everyday clean protein, 100% Premium Whey. For a fast-absorbing, zero-sugar isolate, ISO Core 90. If your goal is getting lean, choose ISO Lean or Pro Lean. See the comparison table on this page for protein per scoop and prices.

Does it contain dairy?

Yes. Our whey proteins, isolates and gainers are made from milk (whey), so they contain dairy. Please check the label for full allergen information before use.

Is cash on delivery available?

Yes, cash on delivery is available. You can also pay securely by UPI, cards or netbanking at checkout.

What is the return policy?

You can request a return within 48 hours of delivery if the product arrives damaged or cannot be authenticated with its TRUESEAL sticker. The product must be sealed. We can't accept returns for taste or smell preferences. Start a return from the "My orders" section with a short video of the issue, and our team will call you.